61The phone has the built-in intelligence to maintain the battery, so there is no need for a discharge feature on the stand.
DCH-9 Rear Slot Charging Times
Battery
Using ACP-7U Using ACP-9U
Front slot
empty
Front slot
occupied
Front slot
empty
Front slot
occupied
BPS-1 Ultra Slim
Li-Polymer 600 mAh
4 hours,
30 minutes
6 hours,
30 minutes 3 hours 4 hours,
30 minutes
BLS-2N Extended
Li-Ion 900 mAh
6 hours,
30 minutes
8 hours,
30 minutes
4 hours,
30 minutes
5 hours,
30 minutes
BMS-2S Extended
NiMH 900 mAh
BMS-2V Vibrating
NiMH 900 mAh
BLS-4 Ultra Extended
Li-Ion 1500 mAh 12 hours 15 hours,
45 minutes 8 hours 10 hours,
30 minutes